Child Craft Toddler Guard Rail for Ashton Mini 4 in 1 Convertible Crib: Optional toddler guard rail allows for added security for child when crib is converted to a toddler bed by providing a “half side”. Not necessary for conversion of crib to toddler bed, but is optional, additional piece. Crib does convert to toddler bed without this additional piece. Made from solid wood. Baby safe, non-toxic. Easily attaches to crib converted to toddler bed. Hardware and instructions included.